"We are so excited by the news since our youngest is a boy and they'll be close in age," they told US Weekly. "We have no names picked out, and are open to any suggestions!"

Donald and Vanessa, who are already parents to 4-year-old daughter Kai and 2-year-old son Donald III, went on to say that their children "can't wait" to meet their new sibling, adding: "They're very supportive kids."